| |||
| 电路锁闭 | |||
|
circuit locking : 45 phrases in 13 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| Construction | 3 |
| Electric machinery | 6 |
| Electricity | 1 |
| Electronics | 6 |
| General | 2 |
| Oil / petroleum | 3 |
| Shipbuilding | 1 |
| Space | 8 |
| Technology | 8 |
| Telecommunications | 3 |
| |||
| 电路锁闭 | |||
|
circuit locking : 45 phrases in 13 subjects |
| Air defense | 1 |
| Automobiles | 2 |
| Aviation | 1 |
| Construction | 3 |
| Electric machinery | 6 |
| Electricity | 1 |
| Electronics | 6 |
| General | 2 |
| Oil / petroleum | 3 |
| Shipbuilding | 1 |
| Space | 8 |
| Technology | 8 |
| Telecommunications | 3 |